Base | Representation |
---|---|
bin | 10010011110100000… |
… | …110111010101001001 |
3 | 1220012122010002002210 |
4 | 102132200313111021 |
5 | 311112324101203 |
6 | 13040344415333 |
7 | 1301431064514 |
oct | 223640672511 |
9 | 56178102083 |
10 | 19839284553 |
11 | 8460839140 |
12 | 3a18177549 |
13 | 1b422c663a |
14 | d62c0bd7b |
15 | 7b1ac1803 |
hex | 49e837549 |
19839284553 has 64 divisors (see below), whose sum is σ = 30004936704. Its totient is φ = 11557728000.
The previous prime is 19839284527. The next prime is 19839284623. The reversal of 19839284553 is 35548293891.
It is a happy number.
It is not a de Polignac number, because 19839284553 - 212 = 19839280457 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19839284493 and 19839284502.
It is not an unprimeable number, because it can be changed into a prime (19839285553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18150675 + ... + 18151767.
It is an arithmetic number, because the mean of its divisors is an integer number (468827136).
Almost surely, 219839284553 is an apocalyptic number.
It is an amenable number.
19839284553 is a deficient number, since it is larger than the sum of its proper divisors (10165652151).
19839284553 is a wasteful number, since it uses less digits than its factorization.
19839284553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1366.
The product of its digits is 9331200, while the sum is 57.
The spelling of 19839284553 in words is "nineteen billion, eight hundred thirty-nine million, two hundred eighty-four thousand, five hundred fifty-three".
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